diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 17 | ||||
| -rw-r--r-- | drivers/cpufreq/cpufreq_stats.c | 14 | ||||
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 17 |
3 files changed, 27 insertions, 21 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 4adac3a8c265..808874bccf4a 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -105,6 +105,8 @@ bool have_governor_per_policy(void) } EXPORT_SYMBOL_GPL(have_governor_per_policy); +static struct kobject *cpufreq_global_kobject; + struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy) { if (have_governor_per_policy()) @@ -1074,9 +1076,17 @@ static int cpufreq_init_policy(struct cpufreq_policy *policy) pol = policy->last_policy; } else if (def_gov) { pol = cpufreq_parse_policy(def_gov->name); - } else { - return -ENODATA; + /* + * In case the default governor is neiter "performance" + * nor "powersave", fall back to the initial policy + * value set by the driver. + */ + if (pol == CPUFREQ_POLICY_UNKNOWN) + pol = policy->policy; } + if (pol != CPUFREQ_POLICY_PERFORMANCE && + pol != CPUFREQ_POLICY_POWERSAVE) + return -ENODATA; } return cpufreq_set_policy(policy, gov, pol); @@ -2745,9 +2755,6 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver) } EXPORT_SYMBOL_GPL(cpufreq_unregister_driver); -struct kobject *cpufreq_global_kobject; -EXPORT_SYMBOL(cpufreq_global_kobject); - static int __init cpufreq_core_init(void) { if (cpufreq_disabled()) diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index f9bcf0f3ea30..94d959a8e954 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -90,35 +90,35 @@ static ssize_t show_trans_table(struct cpufreq_policy *policy, char *buf) if (policy->fast_switch_enabled) return 0; - len += snprintf(buf + len, PAGE_SIZE - len, " From : To\n"); - len += snprintf(buf + len, PAGE_SIZE - len, " : "); + len += scnprintf(buf + len, PAGE_SIZE - len, " From : To\n"); + len += scnprintf(buf + len, PAGE_SIZE - len, " : "); for (i = 0; i < stats->state_num; i++) { if (len >= PAGE_SIZE) break; - len += snprintf(buf + len, PAGE_SIZE - len, "%9u ", + len += scnprintf(buf + len, PAGE_SIZE - len, "%9u ", stats->freq_table[i]); } if (len >= PAGE_SIZE) return PAGE_SIZE; - len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + len += scnprintf(buf + len, PAGE_SIZE - len, "\n"); for (i = 0; i < stats->state_num; i++) { if (len >= PAGE_SIZE) break; - len += snprintf(buf + len, PAGE_SIZE - len, "%9u: ", + len += scnprintf(buf + len, PAGE_SIZE - len, "%9u: ", stats->freq_table[i]); for (j = 0; j < stats->state_num; j++) { if (len >= PAGE_SIZE) break; - len += snprintf(buf + len, PAGE_SIZE - len, "%9u ", + len += scnprintf(buf + len, PAGE_SIZE - len, "%9u ", stats->trans_table[i*stats->max_state+j]); } if (len >= PAGE_SIZE) break; - len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + len += scnprintf(buf + len, PAGE_SIZE - len, "\n"); } if (len >= PAGE_SIZE) { diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index c81e1ff29069..404982d655e2 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -2155,15 +2155,19 @@ static void intel_pstate_adjust_policy_max(struct cpudata *cpu, } } -static int intel_pstate_verify_policy(struct cpufreq_policy_data *policy) +static void intel_pstate_verify_cpu_policy(struct cpudata *cpu, + struct cpufreq_policy_data *policy) { - struct cpudata *cpu = all_cpu_data[policy->cpu]; - update_turbo_state(); cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, intel_pstate_get_max_freq(cpu)); intel_pstate_adjust_policy_max(cpu, policy); +} + +static int intel_pstate_verify_policy(struct cpufreq_policy_data *policy) +{ + intel_pstate_verify_cpu_policy(all_cpu_data[policy->cpu], policy); return 0; } @@ -2268,12 +2272,7 @@ static int intel_cpufreq_verify_policy(struct cpufreq_policy_data *policy) { struct cpudata *cpu = all_cpu_data[policy->cpu]; - update_turbo_state(); - cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, - intel_pstate_get_max_freq(cpu)); - - intel_pstate_adjust_policy_max(cpu, policy); - + intel_pstate_verify_cpu_policy(cpu, policy); intel_pstate_update_perf_limits(cpu, policy->min, policy->max); return 0; |